Dyah Nursita Utami
Pusat Teknologi Reduksi Risiko Bencana Badan Pengkajian dan Penerapan Teknologi

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Perencanaan Aplikasi Bioengineering Tanah pada Kawasan Bekas Longsor di Desa Cililin, Kecamatan Cililin, Kabupaten Bandung Barat, Provinsi Jawa Barat Dyah Nursita Utami; Akhmadi Puguh Raharjo
Jurnal ALAMI : Jurnal Teknologi Reduksi Risiko Bencana Vol. 3 No. 1 (2019): Jurnal Alami
Publisher : Agency for the Assessment and Application of Technology / Badan Pengkajian dan Penerapan Teknologi (BPPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/alami.v3i1.3327

Abstract

Landslides are the third most frequent disaster in Indonesia. One of these landslides occurred on March 10, 2017 in residential area of Jatiradio, Cililin Village, Cililin Sub-District, West Bandung Regency, West Java Province. Post-incident investigations have produced information regarding the characteristics of the area and recommendations for disaster mitigation. At present it is known that there are still problems left unsolved in the area that need to be mitigated. The purpose of this study is to identify those unsolved problems at the study site and formulate solutions to the problem using a soil bioengineering approach. Among all the data that need to be collected are the condition of both existing vegetation and subsurface profile on the former landslide slopes at the study site. Data from the observations were then analyzed to produce recommendations regarding the application of soil bioengineering at the study site. From this study, pine trees (Pinus merkusii) is recommended to be planted on the slopes and areas around the rock gabions. This type of vegetation has fulfilled four pre-determined criterias related to the function of slope protection and groundwater regulation for this particular area and is considered suitable to be applied to the study site.
ANALISIS KUALITAS LAHAN DI KABUPATEN PESISIR BARAT PROVINSI LAMPUNG Dyah Nursita Utami
Jurnal Sains dan Teknologi Mitigasi Bencana Vol. 14 No. 2 (2019): Jurnal Sains dan Teknologi Mitigasi Bencana
Publisher : Badan Pengkajian dan Penerapan Teknologi (BPPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jstmb.v14i2.3855

Abstract

Since 2012, Pesisir Barat district began to separate from Lampung Barat regency under UU No. 22 Tahun 2012. The new autonomous Region (DOB) which is still in the early stages of planning and utilization after the release of its parent district required a potential utilization of natural resources by considering the power of surrounding areas in order to Development progress. Proper land use planning is one of the ways of utilization of natural resources in the Pesisir Barat district through the study of land quality. The results of this land quality analysis will be known to the parameters of land quality that become excellence and limiting factors for the development of land potential in Pesisir Barat district. The parameters of land quality that will be assessed include texture of soil, soil pH, organic C, Nitrogen, potassium, phosphorus, cation-cation can be exchanged such as Ca, Mg, K, Na, cation exchange Capacity (CEC), and base saturation (KB). By knowing the boundary factor, expected improvement recommendation and land use planning in Pesisir Barat district is more appropriate to the condition and potential natural resources of the region. So as to encourage the optimization of natural resources utilization to accelerate development in the district new autonomous Region. Keywords: Land quality analysis, limiting factors, land use, optimization of natural resources AbstrakSejak tahun 2012, Kabupaten Pesisir Barat mulai memisahkan diri dari Kabupaten Lampung Barat  berdasarkan UU Nomor 22 Tahun 2012. Daerah otonomi baru (DOB) yang masih dalam tahapan awal perencanaan dan pendayagunaan setelah lepas dari kabupaten induknya diperlukan suatu usaha pendayagunaan potensi sumberdaya alam dengan mempertimbangkan kekuatan wilayah di sekitarnya dalam rangka mendorong kemajuan pembangunan. Perencanaan tata guna lahan yang tepat menjadi salah satu cara pendayagunaan potensi sumberdaya alam di Kabupaten Pesisir Barat melalui kajian kualitas lahan. Hasil kajian analisis kualitas lahan ini akan diketahui parameter-parameter kualitas lahan yang menjadi keunggulan dan faktor pembatas bagi pengembangan potensi lahan di Kabupaten Pesisir Barat. Parameter kualitas lahan yang akan dinilai antara lain tekstur tanah, pH tanah, C organik, Nitrogen, Kalium, Fosfor, kation-kation dapat ditukar seperti Ca, Mg, K, Na, Kapasitas Tukar Kation (KTK), dan Kejenuhan Basa (KB). Dengan mengetahui faktor pembatas, diharapkan rekomendasi perbaikan dan perencanaan tata guna lahan di Kabupaten Pesisir Barat lebih sesuai dengan kondisi dan potensi sumberdaya alam wilayahnya. Sehingga mampu mendorong optimalisasi pemanfaatan sumberdaya alam untuk mempercepat pembangunan di kabupaten daerah otonomi baru. Kata kunci: Analisis kualitas lahan, faktor pembatas, tata guna lahan, optimalisasi sumberdaya alam